Zon, Raphael, 1874-1956, Graves, Henry Solon, 1871-1951 · Washington, D.C. : U.S. Dept. of Agriculture, Forest Service · leaf 35
AVES. Stahls (1880 and 1883) experiments have conclusively shown thatlight exerts a very powerful influence upon the external and internalstructure of the leaves. Shade-enduring plants (for instance, Oxalis 1 These experiments seem to show that the development of seedlings of an intolerantspecies… … Fig. 4.—Cross section of a beach leaf, a, Grown inthe shade; t, grown in full light. METHODS OF DETERMINING TOLERANCE. 31 acetosella) have their leaves made up almost exclusively of cells ofthe spongy parenchyma, while the leaves of extremely light-needingplants have hardly any cells of the spongy…
Plants Effect of light on · Trees Growth · Light Effect on trees · Tree growth
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
